You can also feed it Formula 1 pellets, the real small size. Our brain will eat them. We have had ours for a year now and it has probally more then doubled its size. If you have cleaner shrimp it can be a little bit of a hassle to feed it because the shrimp will go and steal the food right out of its mouth. You can take a plastic 2 litre soda bottle and cut it in half and place it over the brain when you feed it.